US6021961A - Crossover-resistant plural component mixing nozzle - Google Patents

Crossover-resistant plural component mixing nozzle Download PDF

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Publication number
US6021961A
US6021961A US09/045,959 US4595998A US6021961A US 6021961 A US6021961 A US 6021961A US 4595998 A US4595998 A US 4595998A US 6021961 A US6021961 A US 6021961A
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United States
Prior art keywords
nozzle
valve body
leaflets
valve
dispensing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US09/045,959
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English (en)
Inventor
Daniel P. Brown
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Flexible Products Co
Original Assignee
Flexible Products Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Flexible Products Co filed Critical Flexible Products Co
Assigned to FLEXIBLE PRODUCTS COMPANY reassignment FLEXIBLE PRODUCTS COMPANY ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BROWN, DANIEL P.
Priority to US09/045,959 priority Critical patent/US6021961A/en
Priority to ES99937892T priority patent/ES2260924T3/es
Priority to DE69930838T priority patent/DE69930838T2/de
Priority to AU33093/99A priority patent/AU3309399A/en
Priority to IL13824399A priority patent/IL138243A0/xx
Priority to CN99805177A priority patent/CN1297381A/zh
Priority to BR9908596-8A priority patent/BR9908596A/pt
Priority to CA002323055A priority patent/CA2323055C/en
Priority to JP2000534340A priority patent/JP4454853B2/ja
Priority to EP99937892A priority patent/EP1060026B1/en
Priority to PCT/US1999/003948 priority patent/WO1999044749A1/en
Priority to KR1020007009864A priority patent/KR20010041660A/ko
Priority to TR2000/02565T priority patent/TR200002565T2/xx
Priority to ARP990100917A priority patent/AR014675A1/es
Priority to TW088103384A priority patent/TW427930B/zh
Publication of US6021961A publication Critical patent/US6021961A/en
Application granted granted Critical
Anticipated expiration legal-status Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/7438—Mixing guns, i.e. hand-held mixing units having dispensing means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B05B7/0408—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing two or more liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/12—Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages
    • B05B7/1209—Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages the controlling means for each liquid or other fluent material being manual and interdependent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/002—Manually-actuated controlling means, e.g. push buttons, levers or triggers
    • B05B12/0022—Manually-actuated controlling means, e.g. push buttons, levers or triggers associated with means for restricting their movement
    • B05B12/0024—Manually-actuated controlling means, e.g. push buttons, levers or triggers associated with means for restricting their movement to a single position
    • B05B12/0026—Manually-actuated controlling means, e.g. push buttons, levers or triggers associated with means for restricting their movement to a single position to inhibit delivery

Definitions

  • the present invention relates generally to mixing and dispensing nozzles, and more particularly, to a so-called anti-crossover or crossover-resistant nozzle for use with multi-component systems, particularly urethane foams.
  • the invention relates to readily attachable, disposable nozzles having two principal pieces that snap together, and two more additional pieces or components making up the entire nozzle.
  • the nozzles can be reusable with a non-reacting foam or may be used again by flushing with solvent.
  • Such nozzles have both an anti-crossover feature and a snap-together assembly and are associated in use with a dispenser such as a foam gun for dispensing foam, or other device for dispensing a bead, spray or fillet of a foam insulation or like material.
  • a dispenser such as a foam gun for dispensing foam, or other device for dispensing a bead, spray or fillet of a foam insulation or like material.
  • a disposable low cost nozzle is important for multi-component mixing and metering systems, because, after a short time, (from one-half a minute to two minutes), the components making up the mix or other thermosets react to cure and set up in the nozzle, and thereby render further mixing, particularly on ratio mixing of reactants difficult or impossible. Once used in a properly functioning gun, the mixing nozzle is simply removed and thrown away. This technique avoids the use of costly, and potentially harmful solvents for flushing.
  • the isocyanate component and the resin component are simultaneously admitted to a mixing nozzle in a predetermined ratio.
  • This ratio is determined by the design of the system, chemistry of the reactants, and particularly by the size of the orifices leading into the nozzle passages, and by the supply pressure under which the components are maintained.
  • the discharge pattern of the reacting material can be defined and controlled by any of a number of nozzle geometries resulting in a high force spray pattern, or a much lower force pour pattern, depending on the application.
  • non-aerosol type of reactants are processed through a mixing nozzle as described in this invention.
  • non-aerosol materials are delivered via the supply pressure through the dispenser--once activated--into a mixing nozzle of the current invention.
  • the two materials are injected by the material supply force through the nozzle orifices and into the mixing nozzle.
  • the materials are mixed by turbulent flow as the material travels through the mixer.
  • the mixing initiates a chemical reaction within the nozzle and in the case of some foaming materials, CO 2 is generated in the reaction, causing the polymerizing mass to expand.
  • a third stream of gas is delivered through the nozzle to the tip where the material exits. This gas stream is used to assist in spraying the mixed polymerizing material onto the substrate.
  • the reacting material can be defined by any of a number of nozzle geometries.
  • a second situation occurs when the operator activates the dispenser with a previously used and clogged or partially clogged nozzle. At this time, and according to the pressure within the system at this time, the nozzle is charged with more reactants but the outlet passage of the nozzle is blocked. This produces a situation wherein the reactants are reacting and generating high pressures internally within the mixing nozzle.
  • a third crossover condition exists as a result of simple pressure differences occurring between the two pressure streams, where one stream is strong enough to overcome the other, forcing a condition of rearward flow of the component that otherwise would be urged into the nozzle under the lower or weaker pressure. This particularly occurs if a new container is used with an old or nearly-exhausted one. This situation also arises when using supply pumps and there is a pump failure.
  • Another object of the invention is to provide mixing and dispensing nozzle components which can be assembled by the simple process of snapping one component inside the other, thereby trapping the third component in the dispenser, with the anti-crossover valves being secured in place.
  • Yet another object of the invention is to provide a mixing and dispensing nozzle which contains an internal set of valve leaflets normally serving to close off the rearward flow of material into the dispenser or gun.
  • Still another object of the invention is to provide a combination of a multi-piece nozzle which can be easily assembled, together with leaflet style valves restricting crossover contamination in the use of the apparatus.
  • a further object of the invention is to provide a multi-piece nozzle which includes a baffle mixing element having vanes disposed around a central backbone and having the backbone engage the rear wall of one of the components of the valve as an aid to assembly.
  • a still further object of the invention is to provide a valve for each of plural inlets and having a single leaflet, made from a thin sheet of plastic film such as a polypropylene, a polyester or the like.
  • An additional object of the invention is to provide a single valve assembly comprising a pair of leaflets disposed to either side of a thermally welded or mechanically or adhesively affixed portion which attaches the center portion of the leaflet to the rear wall of the nozzle.
  • Another object of the invention is to provide a nozzle that snaps together and includes wings or finger-gripping handles on the body of the nozzle.
  • a still further object is to provide a snap-together construction which includes a molded-in rib or gasket between the sections to insure a tight fit.
  • the invention achieves its objects and advantages in two ways.
  • the first is to provide a telescoping, snap action type assembly for mixing and dispensing nozzles, with optional wings or finger-gripping portions, and the other is to provide a valve, preferably in the form of leaflets, for two or more inlet openings, with the valve leaflets extending over the opening and closing them off by their own innate resiliency, and remain forcibly closed by the internal pressure within the mixing nozzle.
  • ready opening occurs under the force of incoming liquid components, with the valve leaflets being preferably affixed to the rear wall of the nozzle by thermal attachment, by an adhesive, or mechanical entrapment.
  • FIG. 1 is a perspective view of the nozzle of the invention, shown associated with a dispensing gun with which it is normally used;
  • FIG. 2 is a fragmentary view, partly in elevation and partly in section, showing certain parts of the gun and nozzle of the invention
  • FIG. 3 is a vertical sectional view of one form of nozzle of the invention, showing the two-element snap-together construction of the shell, showing the valves in a closed position of use and schematically showing a load or force acting to return the valves to their seated positions;
  • FIG. 4 is a fragmentary view, partly in elevation and partly in section, and similar to FIG. 3, but showing the anti-crossover valves in an open position and a preferred form of rib providing additional sealing between components of the nozzle;
  • FIG. 5 is a sectional view, taken along lines 5--5 of FIG. 3, showing the valves and the valve passages in phantom lines;
  • FIG. 6 is a sectional view of another form of nozzle of the invention, showing the same with a mixing element in place within the unit, securing the valve leaflet hold-down mechanism, showing a slightly different discharge end to the nozzle, and showing the valve leaflet in two different positions, one in solid lines and one in phantom lines;
  • FIG. 7 is a vertical sectional view of a modified nozzle of the invention.
  • FIG. 8 is a plan view of the end portion of the nozzle, taken along lines 8--8 of FIG. 7;
  • FIG. 9 is a plan view taken from the bottom and showing the leaflet of FIGS. 7 and 8.
  • the invention may be embodied in a number of different forms, and that somewhat different styles of gun may be used with the form of nozzle shown, and while it is also understood that the invention may comprise nozzles in which the shells are of a two-piece construction but lack the anti-crossover valves, and vice versa, the invention will be described where the dispenser is a gun of the presently preferred type, and is shown to include a nozzle which includes both features of construction and operation. Likewise, dispensers other than guns may use the nozzles of the invention, and the use of the term "gun" is to be taken in its broad sense as including dispensers of various types.
  • FIGS. 1 and 2 there is shown a gun generally designated 10, including a nozzle 12, a gun body generally designated 14, a handle 16, a trigger 18, a trigger return spring 20 and a safety 22.
  • the gun contains a latching and locking mechanism for the nozzle generally designated 24, and shown to include a thumb button 26 which actuates a lever 28 having a claw 30 on the forward end portion thereof.
  • the lever pivots about the point 29, and in another position of use, the ejector 31 serves to forcibly remove the nozzle from the gun.
  • the gun is served by two hoses 32, 34 which contain reacting products, and may optionally have another hose (not shown) beneath it for a propellant (or for an additional propellant).
  • the gun body 14 shown in FIG. 2 includes a receiver 36 for accommodating an enlarged diameter portion 38 of the nozzle 12.
  • the nozzle is shown to include a pair of wings 40 or finger grips which are able to be manipulated by the fingers of an operator in positioning and seating the nozzle shoulder 42 for engagement by the claw 30.
  • the hoses 32, 34 include a forward end portion 44, which engages the butt end of a reducer 46 that in turn engages a hollow screw 48 which compresses the hollow valve seat 50.
  • This unit is made from a deformable material, such as, for example, polyethylene or PTFE. Other expedients may be used with equal effect.
  • the valve seat snugly engages a spool 52 with passages 53 lying centrally therein. The spool 52 is actuated by the trigger 18 through ears 54 on the ends of the spool, which are engaged by slots 56 in the bifurcated portion 58 of the trigger 18.
  • the spool valve 52 (FIG. 2) moves in an opening 60 in the body 14. It rotates so as to align, in an operative position, its central passages 53 into a position of registry with the outlet passages 68 in the gun body.
  • this unit has a shell composed of two elements, an inner, forward nozzle element generally designated 70 and an enlarged diameter back cap generally designated 72.
  • the forward end of the nozzle 12 is typically composed of a reduced diameter outlet end 74, a tapered intermediate side wall portion 76 and an back cap 78 of generally cylindrical configuration. Near the end of the enlarged cylindrical portion 78 are the formations defining the ears or finger grips 40.
  • This section of the nozzle also includes a flexible latch 80 and two formed recesses 81 for purposes to be described. At least six other forms of nozzles may be used, but the differences between them lie in the shapes of their dispensing openings and in other details, and they all fall within the scope of the invention.
  • the enlarged diameter portion 72 of the nozzle 12 includes a rear end wall 82, a pair of substantially identical nipples 62, 63, each preferably including plural sealing ribs 84. Each of the nipples 62, 63 has an inlet passage 98, 100 for ingredients and these may be of the same or different orifice sizes.
  • the forward end of the back cap 72 of the nozzle 12 includes a pair of barbs 86 or like formations for fitting snugly within the recess 81 just behind the flexible latch 80.
  • a shoulder surface 88 is formed in the enlarged diameter end 72 to engage the rear surface 90 of the reduced diameter cylindrical portion 78. These shoulders preferably meet at about 1/4" to 1/2" from the end wall 82, to allow for clearance of the valve leaflets to be described.
  • a circumferential bead 89 (FIG. 4) is provided which crushes to form a tight seal between the components 78, 72 of the nozzle 12.
  • the inner sleeve 78 expands slightly under pressure to engage the outer sleeve 72 more snugly.
  • a pair of oppositely directed leaflets 92, 94 forming the operative portions of the anti-crossover valves joined to the rear surface 82 of the nozzle 12 by a combination post 96 having a staked rivet head 97 on its end portion.
  • a heat-seal may be used.
  • the plastic from which the leaflets 92, 94 are made is coated with an adhesive or low-melting coating such as an ethylene vinyl acetate (EVA) layer.
  • EVA ethylene vinyl acetate
  • the leaflets 92, 94 in one embodiment are made from a single sheet of a thin plastic material, such as a 0.005" polyester sheet material having an innate resiliency, enabling it to spring back repeatedly even after several uses. Making the leaflets from polyester with an EVA or like lower-melting layer enables them to be joined to the remainder of the nozzle by heat sealing.
  • an adhesive may be used.
  • a mixer assembly generally designated 102 is shown to be in place with the nozzle 12a.
  • the mixer includes a plurality of vanes 104 surrounding a center stem 106.
  • a portion 108 of the stem 106 fits over the post 96 and helps secure the leaflet in place.
  • the end portion 108 serves to replace the rivet head 97.
  • the nozzle assembly is simple and straightforward.
  • the baffle assembly 102 is placed within the forward component 70 of the nozzle 12. Then, the two components are placed in alignment and the forward component is pushed to the rear and the rear component is pushed to the front until the barbs 86 engage the flexible latch 80. This also has the effect of pressing the rear end portion 108 of the baffle stem 106 firmly against the enlarged head 97 of the post 96 which holds the leaflets 92, 94 in place. In the alternative, the head 97 may be omitted altogether.
  • the lever 28 is actuated by depressing the thumb pad 26, thereby causing the ejector 31 to eject the old nozzle and preparing the gun for entry of a new nozzle.
  • the nozzle slides to the rear against the slight resistance created by the ribs 84 on the nipples. This movement will inherently push down the ejector 31 and engage the claw 30.
  • the gun is suited to be actuated.
  • the trigger 18 When it is desired to use the gun, the trigger 18 is pulled rearwardly, thus rotating the spool 52 and causing the passage 53 therein to become aligned with the outlet passage 68 in the gun body.
  • the liquid components then flow into the chamber, moving the valve leaflets to the approximate position of FIG. 4.
  • the leaflets When the liquid components forming the urethane foam have passed into the nozzle, and the trigger is released, the leaflets will tend towards the closed position, again, awaiting the next injection of foaming material.
  • the affected leaflet (the one having a reduced or no bearing pressure tending to unseat it) will remain in the closed position to prevent any amount of the other material from entering the subject passage. If material were to enter the passage, the reaction and setting up would then take place in the body of the gun, causing an erratic functioning thereof. At the least, this would require a complete cleaning of the gun, and at worst, the gun would have to be discarded.
  • the foam is a thermoset foam, this could be difficult or problematical. An obstruction in the passage, even if not complete, would tend to throw off the stoichiometry of the mix and cause an off-ratio or otherwise less than desirable foam to exit the nozzle.
  • FIGS. 7-9 another embodiment of the invention is shown.
  • a four-leaved valve member generally designated 400 is shown on two of the legs 326, 328 is a coating of adhesive and two of the other legs 312 are free from adhesive.
  • a center opening 331 is present through which the truncated post 333 (FIG. 7) extends.
  • the leaflet 400 is located at the bottom surface of a well or countersink portion 310 formed in the back wall 282 of the nozzle 212.
  • the well or countersink 310 is preferably, for example, formed in four sections, each corresponding approximately to the shape of the valve leaflets.
  • the valve leaflet may be held by an adhesive as shown at 326, 328; or the valve body may be held in place by a collar 330 which surrounds the opening 331 and hold the valve leaflet in place over the truncated post 333.
  • the collar 330 holds the leaflet down when the collar is pressed into place during assembly of the unit.
  • the collar may be used with or without an adhesive.
  • the ingredients reaching the baffle may not be foamed, but may be frothed or foamed by the gas escaping from the end 297 of the center bore in the passage 299 of the backbone 306. This action takes place in the chamber 277 defined by the side walls 276, 274.
  • the nozzle generally designated 212 has a pair of wings 240. Each of the two barbs 186 fits into the recesses 281 inside the wing roots 240.
  • the nozzle unit 212 includes an enlarged diameter rear element 272, a reduced diameter cylindrical portion 278, tapered intermediate side wall section 276, and a reduced diameter outlet 274.
  • the unit includes a rear end wall 282 which meets the end 190 of the cylinder 278 at shoulder 288. These surfaces register when the nozzle is fully assembled, and the collar 330 is firmly in place against the valve assembly 400.
  • the nozzle includes in its interior a plurality of baffles 304 surrounding a hollow center stem 306.
  • the stem 306 terminates in the collar 330 of enlarged diameter, and the center passages 322, 299 are in alignment with each other.
  • plastic is preferred for use in making the valves 400, 92, 94, other suitable materials may be used.
  • a metal foil or film may be used.
  • Another feature of the construction resides in the manner in which the claw 30 of the retainer-ejection mechanism 28 holds the nozzle 12 in place.
  • the present invention provides a novel multi-piece nozzle having a pair of leaflet valves held in place by mechanical entrapment, a heat seal or adhesive, having a number of the advantages and characteristics pointed out and others which are inherent in the invention. It is anticipated that modifications and variations to the invention will occur to those skilled in the art and it is anticipated that such modifications and changes may be made to the described form of the invention without departing from the spirit of the invention, or the scope of the appended claims.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
US09/045,959 1998-03-06 1998-03-06 Crossover-resistant plural component mixing nozzle Expired - Lifetime US6021961A (en)

Priority Applications (15)

Application Number Priority Date Filing Date Title
US09/045,959 US6021961A (en) 1998-03-06 1998-03-06 Crossover-resistant plural component mixing nozzle
JP2000534340A JP4454853B2 (ja) 1998-03-06 1999-02-24 複数の構成要素から成るクロスオーバ防止型混合ノズル
PCT/US1999/003948 WO1999044749A1 (en) 1998-03-06 1999-02-24 Crossover-resistant plural component mixing nozzle
AU33093/99A AU3309399A (en) 1998-03-06 1999-02-24 Crossover-resistant plural component mixing nozzle
IL13824399A IL138243A0 (en) 1998-03-06 1999-02-24 Crossover- resistant plural component mixing nozzle
CN99805177A CN1297381A (zh) 1998-03-06 1999-02-24 抗窜越式多成分混合喷嘴
BR9908596-8A BR9908596A (pt) 1998-03-06 1999-02-24 Bocal de mistura de componente múltiplo resistente ao cruzamento
CA002323055A CA2323055C (en) 1998-03-06 1999-02-24 Crossover-resistant plural component mixing nozzle
ES99937892T ES2260924T3 (es) 1998-03-06 1999-02-24 Tobera mezcladora de varios componentes resistente al cruce.
EP99937892A EP1060026B1 (en) 1998-03-06 1999-02-24 Crossover-resistant plural component mixing nozzle
DE69930838T DE69930838T2 (de) 1998-03-06 1999-02-24 Mischdüse mit rückschlagventilen
KR1020007009864A KR20010041660A (ko) 1998-03-06 1999-02-24 교차 방지 복수 성분 혼합 노즐
TR2000/02565T TR200002565T2 (tr) 1998-03-06 1999-02-24 Ters geçiş dirençli çok bileşenli karıştırma supabı
ARP990100917A AR014675A1 (es) 1998-03-06 1999-03-04 Tobera mezcladora multicomponente resistente a la obturacion para uso con un surtidor de una pluralidad de componentes
TW088103384A TW427930B (en) 1998-03-06 1999-03-10 Cross-over resistant plural component mixing nozzle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/045,959 US6021961A (en) 1998-03-06 1998-03-06 Crossover-resistant plural component mixing nozzle

Publications (1)

Publication Number Publication Date
US6021961A true US6021961A (en) 2000-02-08

Family

ID=21940764

Family Applications (1)

Application Number Title Priority Date Filing Date
US09/045,959 Expired - Lifetime US6021961A (en) 1998-03-06 1998-03-06 Crossover-resistant plural component mixing nozzle

Country Status (15)

Country Link
US (1) US6021961A (pt)
EP (1) EP1060026B1 (pt)
JP (1) JP4454853B2 (pt)
KR (1) KR20010041660A (pt)
CN (1) CN1297381A (pt)
AR (1) AR014675A1 (pt)
AU (1) AU3309399A (pt)
BR (1) BR9908596A (pt)
CA (1) CA2323055C (pt)
DE (1) DE69930838T2 (pt)
ES (1) ES2260924T3 (pt)
IL (1) IL138243A0 (pt)
TR (1) TR200002565T2 (pt)
TW (1) TW427930B (pt)
WO (1) WO1999044749A1 (pt)

Cited By (33)

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US6345776B1 (en) 1999-12-23 2002-02-12 Fomo Products Inc. Two-component dispensing gun
US6347752B1 (en) * 1999-11-12 2002-02-19 James W. Davidson Foam spray gun nozzle extension assembly
US6431468B1 (en) * 2000-11-06 2002-08-13 Flexible Products Company Safety mechanism for dispensing apparatus
US20040167617A1 (en) * 2001-01-26 2004-08-26 Voellmicke John C. Graft delivery system
US20040256490A1 (en) * 2003-05-23 2004-12-23 Saint-Gobain Calmar Inc. Dual sprayer with external mixing chamber
US20050230499A1 (en) * 2004-04-20 2005-10-20 Lo-Pin Wang Universal air nozzle adapter
US20060152997A1 (en) * 2002-05-31 2006-07-13 Anthony Khouri Vehicle mounted concrete mixing drum and method of manufacture thereof
US20070187434A1 (en) * 2006-02-10 2007-08-16 Mcneilus Truck And Manufacturing, Inc. Applicator system
US20080225632A1 (en) * 2003-08-15 2008-09-18 Mcneilus Truck And Manufacturing, Inc. Mixing Drum
US20080259715A1 (en) * 2004-05-18 2008-10-23 Anthony J Khouri Concrete Batch Plant
US20080259716A1 (en) * 2003-08-15 2008-10-23 Anthony J. Khouri Mixing Drum Blade
US20080291771A1 (en) * 2004-03-04 2008-11-27 Mcneilus Truck And Manufacturing, Inc. Mixing Drum
US20090256011A1 (en) * 2008-04-15 2009-10-15 Christopher Heatley Insert for inverted spray nozzle
USD608378S1 (en) * 2008-06-12 2010-01-19 Sulzer Mixpac Ag Coupling portion for a mixer
US20110058446A1 (en) * 2003-08-15 2011-03-10 McNeilus Truck and Manufacturing, Inc. Favco Composite Technology (US), Inc. Mixing drum hatch
US20110209780A1 (en) * 2010-02-26 2011-09-01 Fomo Products, Inc. Foam spray gun hoses which prevent crossover
US20120292343A1 (en) * 2011-05-19 2012-11-22 Illinois Tool Works Inc. Modular manifold adhesive gun
US20130206866A1 (en) * 2012-02-09 2013-08-15 Alcove Medical, Inc. Atomizer device having a disposable nozzle
WO2014035656A2 (en) 2012-08-28 2014-03-06 Dow Global Technologies Llc One component spray polyurethane application
US20150231658A1 (en) * 2013-11-07 2015-08-20 Mouse Trap Design, Llc Mixing and dispensing device
US9572555B1 (en) * 2015-09-24 2017-02-21 Ethicon, Inc. Spray or drip tips having multiple outlet channels
WO2018063904A1 (en) * 2016-09-27 2018-04-05 Icp Adhesives And Sealants, Inc. Improved foam dispensing gun with third stream
US10322385B2 (en) 2013-09-16 2019-06-18 Dow Global Technologies Llc Mixing device for two component polyurethane foam formulation
US10351334B1 (en) 2018-02-23 2019-07-16 Icp Adhesives And Sealants, Inc. Fluid dispensing device
EP3574989A1 (en) 2018-05-29 2019-12-04 Soudal Dispensing system for mixture of two components and static mixing nozzle therefor
US10549292B2 (en) 2018-02-23 2020-02-04 Icp Adhesives And Sealants, Inc. Fluid dispensing device
US10639656B1 (en) 2015-10-16 2020-05-05 Gary M. Hammerlund Crossover prevention valve
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CN112423870A (zh) * 2018-05-29 2021-02-26 速的奥公司 用于两种组分的混合的分配系统及用于其的静态混合管嘴
US11911787B1 (en) 2019-08-16 2024-02-27 Gary Hammerlund Split manifold and method for multiple part fluid applications
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JP4454853B2 (ja) 2010-04-21
ES2260924T3 (es) 2006-11-01
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BR9908596A (pt) 2000-11-28
TW427930B (en) 2001-04-01
AR014675A1 (es) 2001-03-28
CA2323055C (en) 2009-09-08
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JP2002505185A (ja) 2002-02-19
IL138243A0 (en) 2001-10-31
DE69930838T2 (de) 2006-09-28
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AU3309399A (en) 1999-09-20
WO1999044749A1 (en) 1999-09-10

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